Records of the Geological Survey of India, Volume 124, Part 2The Survey, 1991 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 195
... mainly composed of high grade pelitic schists , migmatised at places . The Nuggehalli Schist Belt consists of fuschsite quartzite , muscovite quartzite . gamet mica schist , amphibolite etc. , intruded by ultramafic rocks . The Sasivala ...
... mainly composed of high grade pelitic schists , migmatised at places . The Nuggehalli Schist Belt consists of fuschsite quartzite , muscovite quartzite . gamet mica schist , amphibolite etc. , intruded by ultramafic rocks . The Sasivala ...
Page 223
... mainly confined within 5m to 20m isobath thinning down gradually with depth . The heavies are mainly represented by ilmenite , sillimanite and garnet ( 0.17- 11.03 % , 0.19-3.15 % and 0.11 to 4.35 % respectively ) with minor amounts of ...
... mainly confined within 5m to 20m isobath thinning down gradually with depth . The heavies are mainly represented by ilmenite , sillimanite and garnet ( 0.17- 11.03 % , 0.19-3.15 % and 0.11 to 4.35 % respectively ) with minor amounts of ...
Page 227
... mainly by ilmenite , sillimanite , garnet and magnetite with minor amount of ortho / clino- pyroxene , hornblende , zircon , monazite and rutile . The weight percentages of major constituents i.e. ilmenite , sillimanite and garnet in ...
... mainly by ilmenite , sillimanite , garnet and magnetite with minor amount of ortho / clino- pyroxene , hornblende , zircon , monazite and rutile . The weight percentages of major constituents i.e. ilmenite , sillimanite and garnet in ...
Contents
CENTRAL HEADQUARTERS | 6 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 143 |
Overview of the Deputy Director General | 211 |
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Common terms and phrases
aeromagnetic amphibolite AMSE Wing analysis Andhra Pradesh anomalies assemblage bands Barakar Formation BARREN MEASURES FORMATION basement basin Bhutan block boreholes carbonaceous Central chalcopyrite clay coal seams Coal Wing coarse grained Code copper mineralisation core Cruise deposits depth range DISTRICT drilling east eastern ENE-WSW evaluation EXPLORATION FOR COAL faults felsic field season fold geochemical GEOLOGICAL MAP gneisses Gondwana grade granite gravity grey Group heavy mineral ilmenite INDEX India indicate intersected investigation Kamthi Formation limestone lineament MADHYA PRADESH magnetic magnetite medium metamorphism migmatite million tonnes NW-SE occur ORISSA phyllite potential PRECAMBRIAN pyrite quartz quartzite Raniganj Raniganj Formation Regional exploration rocks Sakoli samples sand sandstone scale schist schist belt seabed seam zones sector sediments shale siltstone silty Singhbhum soil sq km Stratigraphy strike length sulphide surface surveys Talchir Formation tectonic thickness tion Toposheet trending tuff upto VALLEY COALFIELD varies volcanics zone